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Diffstat (limited to 'tdewallet/backend/sha1.h')
-rw-r--r-- | tdewallet/backend/sha1.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/tdewallet/backend/sha1.h b/tdewallet/backend/sha1.h new file mode 100644 index 000000000..de40cc692 --- /dev/null +++ b/tdewallet/backend/sha1.h @@ -0,0 +1,71 @@ +/* This file is part of the KDE project + Copyright (C) 2001 George Staikos <staikos@kde.org> + Based heavily on SHA1 code from GPG 1.0.3 (C) 1998 FSF + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + + +#ifndef __sha1__ko__h +#define __sha1__ko__h + + +/* @internal + */ +class SHA1 { + public: + SHA1(); + virtual ~SHA1(); + + /* + * The number of bits in the hash generated. + */ + virtual int size() const; + + /* + * True if all settings are good and we are ready to hash. + */ + virtual bool readyToGo() const; + + /* + * Process a block of data for the hash function. + */ + virtual int process(const void *block, int len); + + /* + * Return the digest as a 20 byte array reference. + * Calling this makes readyToGo() == false. + */ + virtual const unsigned char *hash(); + + /* + * Reset the digest so a new one can be calculated. + */ + virtual int reset(); + + protected: + int _hashlen; + bool _init; + + long _h0, _h1, _h2, _h3, _h4; + long _nblocks; + int _count; + unsigned char _buf[64]; + void transform(void *data); +}; + + +#endif |